Gnabry made his Germany debut in November 2016 in a World Cup qualifier against San Marino, scoring a hat-trick in a crushing 8-0 victory, and Werder coach Alexander Nouri is sad to see the winger leave the club.

"Of course, it is a pity," Nouri said. "Serge with us was an absolute performer, who has made an exceptionally positive development and has helped the team enormously with strong performances.